Page 109 - Sensors and Control Systems in Manufacturing
P. 109
70
Cha p te r
T w o
Standard
Device Standard Target Dimensions Target Material
Modular limit switch type 45 mm square × 1 mm thick Mild steel
8 mm tubular 8 mm square × 1 mm thick Mild steel
12 mm tubular 12 mm square × 1 mm thick Mild steel
18 mm tubular 18 mm square × 1 mm thick Mild steel
30 mm tubular 30 mm square × 1 mm thick Mild steel
TABLE 2.5 Standard Target
45 mm
45 mm
1 mm
13
Stainless 430
Sensing distance (mm) Aluminum
Copper
0
0 Length of target (mm) 50
Standard
length
(45 mm)
FIGURE 2.53 Sensing range correction factor.
This will determine the effective sensing range for a device sensing a
stated target material of standard target size.
Example.
18-mm tubular extended range 8 mm
Copper target correction factor × 0.35
Sensing range detecting copper standard target 2.80 mm
